Prox Racing Parts 21.7012 12mm x 15mm x 14.3mm Piston Pin Bearing Go to amazon.com Related posts Thing need consider when find piston pin 15mm? FeatureBearing has 13 rollersExceeds OEM specificationsDirect replacement bearings DescriptionProX Piston Pin Bearings are top quality, direct replacement bearings, exceeding OEM specifications and tolerances.